Joram2 got a reaction from player712426 in Question about a definition
For your consideration, I present the Public Objective Stage II "I control the Mecatol Rex system and all systems adjacent to it".
If there is even one empty space next to Mecatol, this objective would become unachievable.
Plus, as sigmazero said, all of 0 is 0. You still control every planet in the system.